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Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG644405299

Certificate IGI LG644405299

Diamond specifications and retailer prices

From €243 EUR
$272 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €243 EUR at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644405299 or 644405299. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.27
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabIGI
CertificateIGI LG644405299
Dimensions6.86 × 6.90 × 4.28 mm
L/W Ratio1.01
Top View
6.86 mm6.90 mm1.27 ctE / SI1
OriginLab Grown
CutExcellent
CertificateIGI LG644405299
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €243 EUR|Low: €80 EUR|High: €431 EUR|Avg: €285 EUR|-35.2%
September 18, 2026
Loose Grown Diamond€243 EUR

9 data points across 1 retailer

1 retailer

B
Loose Grown Diamond
644405299 · Oct 30
€243 EUR
$272 USD
View

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B
1.27ct Round
€243 EUR